Patents by Inventor Daniel Lauper

Daniel Lauper has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hidden clasp for a bracelet, particularly for a wrist-watch
    Patent number: 4670947
    Abstract: A bracelet or wrist watch clasp which is completely hidden when closed. Studs having enlarged heads project from a central body which engages the wrist. Side legs are hinged to each end of a central body to swing to a closed position on the body. Each let has an annular radially elastic element retained in the thickness of its wall and positioned to receive and latch on a stud as the legs are swung to the closed position. Ends of the bracelet or watch band are connected to the free ends of the legs.
    Type: Grant
    Filed: February 10, 1986
    Date of Patent: June 9, 1987
    Assignee: Interdica S.A.
    Inventor: Daniel Lauper
  • Wrist watch case
    Patent number: D296991
    Type: Grant
    Filed: December 9, 1985
    Date of Patent: August 2, 1988
    Assignee: Interdica S.A.
    Inventor: Daniel Lauper
  • Wrist watch
    Patent number: D296994
    Type: Grant
    Filed: December 9, 1985
    Date of Patent: August 2, 1988
    Assignee: Interdica S.A.
    Inventor: Daniel Lauper
  • Casing for a writing instrument
    Patent number: D306178
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: February 20, 1990
    Assignee: Interdica S.A.
    Inventor: Daniel Lauper
  • Bracelet
    Patent number: D314724
    Type: Grant
    Filed: February 4, 1988
    Date of Patent: February 19, 1991
    Assignee: Interdica S.A.
    Inventor: Daniel Lauper
  • Bracelet
    Patent number: D314725
    Type: Grant
    Filed: February 4, 1988
    Date of Patent: February 19, 1991
    Assignee: Interdica S.A.
    Inventor: Daniel Lauper
  • Bracelet
    Patent number: D314726
    Type: Grant
    Filed: February 4, 1988
    Date of Patent: February 19, 1991
    Assignee: Interdica S.A.
    Inventor: Daniel Lauper
  • Bracelet
    Patent number: D316056
    Type: Grant
    Filed: February 4, 1988
    Date of Patent: April 9, 1991
    Assignee: Interdica S.A.
    Inventor: Daniel Lauper